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Flight Reliability

DL 3725 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3725 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

94%
Arrive within 15 minutes
8 min early
Average arrival delay
0.8%
Cancelled
12 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon96%(54 flights)
  • Tue98%(54 flights)
  • Wed91%(54 flights)
  • Thu94%(53 flights)
  • Fri96%(52 flights)
  • Sat100%(45 flights)
  • Sun85%(59 flights)
On-time by departure window
  • 6–9 AM93%(226 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM96%(140 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%27
July 202581%26
August 202592%12
October 202596%52
November 2025100%51
December 202594%46
January 202690%31
February 202696%28
March 202697%31
April 202697%30
May 202697%31
Departures on time
94%
Diverted
0%
Flights flown
371
Months covered
12

Keep nerding

Based on 374 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.